:root {
  --navy: #071629;
  --navy-dark: #041020;
  --navy-glass: rgba(7, 22, 41, 0.92);
  --ink: #10233d;
  --muted: #66758a;
  --paper: #f5f8fb;
  --cyan: #35cff3;
  --cyan-deep: #008bb3;
  --cyan-light: #e0f8fd;
  --line: #dce6ef;
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 24px;
  --radius-full: 9999px;
}

* { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font: 16px/1.6 Manrope, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
a {
  text-decoration: none;
  color: inherit;
  -webkit-tap-highlight-color: transparent;
}
.container {
  width: min(1180px, calc(100% - 40px));
  margin: auto;
}
section[id] {
  scroll-margin-top: 84px;
}

/* ===== NAVBAR ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 78px;
  z-index: 1000;
  background: rgba(7, 22, 41, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  transition: background 0.3s ease, border-color 0.3s ease;
}
.nav-in {
  width: min(1230px, calc(100% - 40px));
  margin: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.22rem;
  letter-spacing: -0.035em;
  color: #ffffff;
  flex-shrink: 0;
  z-index: 101;
}
.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  display: block;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
  background: #ffffff;
  flex-shrink: 0;
  transition: transform 0.25s ease;
}
.brand:hover .brand-logo {
  transform: scale(1.05);
}
.brand-name {
  display: inline-block;
  font-weight: 800;
  color: #ffffff;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}
.links {
  display: flex;
  gap: 26px;
  color: #c9d8e7;
  font-size: 0.9rem;
  font-weight: 600;
  margin: 0;
  padding: 0;
}
.links a {
  transition: color 0.2s ease;
  position: relative;
  padding: 4px 0;
}
.links a:hover {
  color: #ffffff;
}

.nav-cta, .button {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  font-size: 0.92rem;
  font-weight: 800;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  cursor: pointer;
  border: 1px solid transparent;
  text-align: center;
  touch-action: manipulation;
}
.nav-cta {
  padding: 10px 20px;
  background: #ffffff;
  color: var(--navy);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}
.nav-cta:hover, .button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.22);
}
.mobile-cta {
  display: none;
}

/* Mobile Hamburger Toggle */
.nav-toggle {
  display: none;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 10px;
  width: 44px;
  height: 44px;
  padding: 0;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  z-index: 101;
  touch-action: manipulation;
  transition: background 0.2s ease;
}
.nav-toggle:hover, .nav-toggle:active {
  background: rgba(255, 255, 255, 0.16);
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2.2px;
  background: #ffffff;
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.nav-toggle.active span:nth-child(1) {
  transform: translateY(7.2px) rotate(45deg);
}
.nav-toggle.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7.2px) rotate(-45deg);
}

/* ===== HERO SECTION ===== */
.hero {
  min-height: 740px;
  background: #071629;
  position: relative;
  overflow: hidden;
  color: white;
  display: grid;
  align-items: center;
  padding: 78px 0 48px;
}
.hero:after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(4, 18, 35, 0.92) 0%,
    rgba(4, 18, 35, 0.80) 22%,
    rgba(4, 18, 35, 0.32) 38%,
    rgba(4, 18, 35, 0.0) 52%,
    rgba(4, 18, 35, 0.0) 100%
  );
  z-index: 1;
  pointer-events: none;
}
.hero-image {
  position: absolute;
  inset: 78px 0 0;
  width: 100%;
  height: calc(100% - 78px);
  object-fit: cover;
  object-position: 55% center;
  z-index: 0;
  filter: none;
}
.hero-content {
  position: relative;
  z-index: 2;
  width: min(1230px, calc(100% - 40px));
  margin: auto;
  padding: 60px 0;
}
.hero-message { min-width: 0; max-width: min(46%, 600px); }
.hero h1 { font-size: clamp(2.4rem, 4.7vw, 4.5rem); }
a:focus-visible, button:focus-visible, [tabindex]:focus-visible {
  outline: 3px solid var(--cyan-deep);
  outline-offset: 5px;
}
.eyebrow, .kicker {
  font: 500 0.76rem "DM Mono", monospace;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.eyebrow {
  color: var(--cyan);
  margin: 0 0 18px;
  display: inline-flex;
  gap: 9px;
  align-items: center;
  background: rgba(53, 207, 243, 0.1);
  padding: 5px 14px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(53, 207, 243, 0.25);
}
.eyebrow-logo {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: inline-block;
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  max-width: 660px;
  font-size: clamp(2.8rem, 5.4vw, 5.2rem);
  line-height: 1.02;
  letter-spacing: -0.06em;
  margin-bottom: 22px;
  text-shadow: 0 2px 20px rgba(4, 18, 35, 0.85), 0 1px 4px rgba(4, 18, 35, 0.9);
}
h1 span {
  color: var(--cyan);
}
.hero-copy {
  max-width: 520px;
  color: #d3e0ed;
  font-size: 1.08rem;
  line-height: 1.6;
  margin-bottom: 34px;
  text-shadow: 0 1px 12px rgba(4, 18, 35, 0.85);
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.button {
  padding: 14px 26px;
  min-height: 48px;
}
.primary {
  background: var(--cyan);
  color: #062038;
  font-weight: 800;
}
.primary:hover {
  background: #50d7f7;
}
.secondary {
  border-color: rgba(183, 203, 221, 0.45);
  background: rgba(255, 255, 255, 0.08);
  color: white;
  backdrop-filter: blur(10px);
}
.secondary:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: white;
}
.hero-foot {
  z-index: 2;
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  width: min(1230px, calc(100% - 40px));
  font-size: 0.8rem;
  color: #a9bed4;
  display: flex;
  align-items: center;
  gap: 8px;
}
.hero-foot::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
}

/* ===== SECTIONS COMMON ===== */
section { padding: 96px 0; }
.kicker { color: var(--cyan-deep); }
h2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -0.055em;
  margin: 12px 0 20px;
}
.lead {
  font-size: 1.14rem;
  color: #4e5f74;
  max-width: 650px;
  line-height: 1.65;
}
.section-heading {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  align-items: flex-end;
  margin-bottom: 42px;
}
.section-heading p {
  margin: 0;
  max-width: 440px;
  color: var(--muted);
  font-size: 1.02rem;
}

/* ===== INTRO ===== */
.intro { background: #ffffff; }
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 65px;
  align-items: center;
}

/* ===== PRODUCT ===== */
.product { background: #edfbff; }
.product-grid {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 65px;
  align-items: center;
}
.product-image {
  background: #ffffff;
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 50px rgba(6, 57, 93, 0.08);
  border: 1px solid var(--line);
  overflow: hidden;
  aspect-ratio: 1.05;
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 24px;
  transition: transform 0.5s ease;
}
.product-image:hover img {
  transform: scale(1.03);
}
.number {
  font: 600 0.78rem "DM Mono", monospace;
  letter-spacing: 0.08em;
  color: var(--cyan-deep);
  text-transform: uppercase;
}
h3 {
  font-size: clamp(1.8rem, 2.8vw, 2.75rem);
  line-height: 1.1;
  letter-spacing: -0.05em;
  margin: 10px 0 18px;
}
.product-copy > p { color: #536479; font-size: 1.05rem; }
.features {
  list-style: none;
  padding: 0;
  margin: 28px 0;
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.features li {
  display: flex;
  gap: 12px;
  font-weight: 600;
  color: #25405c;
  align-items: flex-start;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: #ffffff;
  font-size: 0.9rem;
}
.features li strong { display: block; color: var(--ink); margin-bottom: 4px; }
.check {
  display: grid;
  place-items: center;
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #c6f4ff;
  color: #007d9e;
  font-size: 0.75rem;
  margin-top: 2px;
  font-weight: 800;
}

/* ===== HOW IT WORKS ===== */
.how {
  background: var(--navy);
  color: white;
  position: relative;
  overflow: hidden;
}
.how .kicker { color: var(--cyan); }
.how p { color: #b9c9d9; }
.how > div > p { max-width: 540px; }
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 45px;
}
.step {
  min-height: 200px;
  padding: 28px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(201, 232, 240, 0.12);
  transition: transform 0.25s ease, background 0.25s ease;
}
.step:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.07);
}
.step-icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(53, 207, 243, 0.15);
  color: var(--cyan);
  margin-bottom: 24px;
  font-size: 1.3rem;
}
.step h3 {
  font-size: 1.22rem;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
  color: #ffffff;
}
.step p { font-size: 0.92rem; margin: 0; line-height: 1.55; }

/* ===== COMPANION APP ===== */
.companion { background: #ffffff; }
.companion-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}
.app-features { display: grid; gap: 14px; margin: 28px 0; }
.app-feature {
  display: flex; gap: 16px; align-items: flex-start; padding: 20px;
  border: 1px solid var(--line); border-radius: 18px; background: #f8fbfd;
}
.app-icon {
  flex: 0 0 42px; width: 42px; height: 42px; display: grid; place-items: center;
  border-radius: 13px; background: #dff7fc; color: #087894;
}
.app-icon svg { width: 22px; height: 22px; }
.app-feature h3 { font-size: 1.02rem; letter-spacing: -0.025em; margin: 0 0 5px; }
.app-feature p { color: #607389; font-size: 0.9rem; line-height: 1.6; margin: 0; }
.app-stage {
  margin: 0; padding: 32px 24px 22px; border: 1px solid #d6edf3;
  border-radius: 36px; background: radial-gradient(circle at 50% 30%, #ffffff, #dff6fc 65%, #ecf0ff);
}
.app {
  width: min(350px, 100%); margin: auto; padding: 0; overflow: hidden;
  border: 8px solid #132234; border-radius: 42px; background: #f2f6fa;
  box-shadow: 0 22px 46px rgba(7, 50, 86, 0.22);
  font-size: 13px; line-height: 1.5;
}
.app-header { background: #09243b; color: #ffffff; padding: 12px 18px 20px; }
.app-status { display: flex; align-items: center; justify-content: space-between; font-size: 0.65rem; font-weight: 700; }
.app-camera { width: 76px; height: 20px; border-radius: 20px; background: #031423; }
.app-status-icons { display: flex; align-items: center; gap: 5px; }
.app-status-icons svg { width: 16px; height: 12px; }
.app-brand { display: flex; align-items: center; gap: 10px; margin-top: 18px; }
.app-brand-mark { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 12px; background: var(--cyan); color: #072239; font-size: 1.25rem; font-weight: 800; }
.app-brand strong { font-size: 1.12rem; letter-spacing: -0.035em; }
.app-brand small { display: block; color: #a9cddd; font-size: 0.65rem; }
.app-preview-tag { margin-left: auto; color: #bdebf5; font-size: 0.59rem; border: 1px solid #466274; border-radius: 20px; padding: 4px 8px; }
.app-body { padding: 14px; display: grid; gap: 12px; }
.app-device { display: flex; align-items: center; gap: 10px; background: white; border: 1px solid #dce7ef; border-radius: 16px; padding: 12px; }
.app-device img { width: 36px; height: 48px; object-fit: contain; flex-shrink: 0; }
.app-device strong { font-size: 0.78rem; display: block; }
.app-connected { display: flex; align-items: center; gap: 5px; color: #137653; font-size: 0.65rem; margin-top: 3px; }
.app-connected::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: #27b781; }
.app-battery { margin-left: auto; text-align: right; color: #52718a; font-size: 0.6rem; }
.app-battery strong { color: #123d54; }
.app-conversation-title { display: flex; align-items: center; justify-content: space-between; padding: 3px 2px 0; }
.app-conversation-title strong { font-size: 0.88rem; }
.app-conversation-title span { font-size: 0.6rem; color: #667e92; }
.app-gesture { padding: 14px; border-radius: 18px; background: #ffffff; border: 1px solid #dce7ef; }
.app-label { display: flex; align-items: center; gap: 6px; color: #607b90; font-size: 0.61rem; font-weight: 700; letter-spacing: 0.02em; }
.app-label svg { width: 15px; height: 15px; flex-shrink: 0; }
.app-recognised { margin-left: auto; color: #147653; font-size: 0.57rem; background: #e8f8f0; padding: 3px 6px; border-radius: 20px; }
.app-gesture h4 { font-size: 1.2rem; line-height: 1.35; letter-spacing: -0.03em; margin: 12px 0; color: #143249; }
.app-output-tags { display: flex; gap: 6px; margin-bottom: 12px; }
.app-output-tags span { color: #126c88; background: #e7f8fc; border: 1px solid #d5edf4; padding: 4px 9px; border-radius: 8px; font-size: 0.61rem; font-weight: 700; }
.app-audio { display: flex; align-items: center; gap: 10px; background: #092d46; color: white; border-radius: 13px; padding: 11px; }
.app-speaker { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: #35cff3; color: #072b45; flex-shrink: 0; }
.app-speaker svg { width: 17px; height: 17px; }
.app-audio strong { display: block; font-size: 0.68rem; }
.app-audio small { color: #a4c7db; font-size: 0.56rem; }
.app-wave { display: flex; align-items: center; justify-content: flex-end; gap: 3px; height: 30px; margin-left: auto; color: #35cff3; }
.app-wave i { width: 3px; height: var(--bar); background: currentColor; border-radius: 3px; }
.app-picture { display: flex; align-items: center; gap: 12px; margin-top: 10px; padding: 10px; border-radius: 12px; border: 1px solid #e0ebf3; background: #f7fbfe; }
.app-picture-art { display: grid; place-items: center; width: 62px; height: 58px; background: #dff4ff; border-radius: 10px; flex-shrink: 0; }
.app-picture-art svg { width: 45px; height: 50px; }
.app-picture strong { display: block; font-size: 0.8rem; color: #164665; }
.app-picture small { color: #678297; font-size: 0.6rem; }
.app-reply { padding: 14px; border: 1px solid #bde5ee; background: #e3f6fb; border-radius: 18px 18px 18px 5px; }
.app-reply .app-label { color: #1d758c; }
.app-reply p { margin: 8px 0 4px; font-size: 0.91rem; font-weight: 700; color: #15374e; }
.app-reply small { color: #567c8d; font-size: 0.6rem; }
.app-home-indicator { width: 95px; height: 4px; background: #183249; margin: 3px auto 12px; border-radius: 10px; }
.app-stage figcaption { margin: 18px auto 0; color: #5b768a; font-size: 0.73rem; text-align: center; line-height: 1.6; }
.app-preview-link { display: block; margin-top: 6px; color: #087894; font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }

/* ===== COMMUNITY STORY ===== */
.impact-story { padding: 96px 0; background: #ffffff; }
.impact-card {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #f7fbfd;
  box-shadow: 0 12px 32px rgba(9, 38, 66, 0.04);
}
.impact-card img {
  width: 100%;
  height: 100%;
  min-height: 420px;
  object-fit: cover;
}
.impact-copy {
  padding: 48px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.impact-copy p { color: var(--muted); line-height: 1.6; }
.impact-points {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}
.impact-point {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  color: #23405c;
  font-weight: 700;
}
.impact-point b {
  display: grid;
  place-items: center;
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: #c6f4ff;
  color: #007d9e;
  font-size: 0.8rem;
  margin-top: 2px;
}

/* ===== ACHIEVEMENTS GALLERY ===== */
.achievements { background: #f1f4f9; }
.awards-scroller {
  display: flex;
  gap: 18px;
  overflow-x: auto;
  padding: 8px 4px 22px;
  scroll-snap-type: x mandatory;
  scrollbar-color: var(--cyan-deep) #dfe8ef;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}
.awards-scroller::-webkit-scrollbar { height: 8px; }
.awards-scroller::-webkit-scrollbar-track { background: #dfe8ef; border-radius: 99px; }
.awards-scroller::-webkit-scrollbar-thumb { background: var(--cyan-deep); border-radius: 99px; }
.award-card {
  margin: 0;
  flex: 0 0 min(285px, 72vw);
  scroll-snap-align: start;
  border: 1px solid #d8e5ee;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: white;
  box-shadow: 0 12px 28px rgba(9, 38, 66, 0.08);
  transition: transform 0.25s ease;
}
.award-card:hover {
  transform: translateY(-4px);
}
.award-card img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: contain;
  background: #ffffff;
  padding: 8px;
  display: block;
}
.award-card figcaption {
  padding: 12px 16px;
  color: #64758a;
  font: 500 0.72rem "DM Mono", monospace;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: #fdfdfd;
  border-top: 1px solid #eef3f7;
}
.scroll-hint {
  margin: 24px 0 0;
  color: #5f7287;
  font: 500 0.76rem "DM Mono", monospace;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 8px;
}
.scroll-hint span {
  color: var(--cyan-deep);
  font-size: 1.15rem;
}

/* ===== BACKED BY KSUM ===== */
.backed {
  padding: 86px 0;
  background: #f1f4f9;
}
.backed-card {
  margin-top: 32px;
  min-height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  padding: 28px 40px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #ffffff;
  box-shadow: 0 12px 28px rgba(9, 38, 66, 0.04);
}
.backed-card img {
  max-width: 220px;
  max-height: 85px;
  object-fit: contain;
  flex-shrink: 0;
}
.backed-card p {
  margin: 0;
  max-width: 440px;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.6;
}
.backed-card strong { color: var(--ink); }

/* ===== ABOUT & PROOFS ===== */
.proofs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  margin-top: 40px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #ffffff;
}
.proof {
  padding: 28px 24px;
  border-right: 1px solid var(--line);
}
.proof:last-child { border-right: 0; }
.proof strong {
  display: block;
  font-size: 2.1rem;
  color: #087293;
  letter-spacing: -0.05em;
  line-height: 1;
  margin-bottom: 6px;
}
.proof span {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.45;
}

/* ===== CONTACT ===== */
.contact {
  background: linear-gradient(130deg, #06182e 0%, #0b3152 100%);
  color: white;
}
.contact-in {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  align-items: center;
}
.contact .kicker { color: var(--cyan); }
.contact h2 { max-width: 620px; color: #ffffff; }
.contact p { max-width: 510px; color: #c1d2e2; font-size: 1.05rem; }
.contact-actions {
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex-shrink: 0;
  min-width: 220px;
}
.contact-actions .button {
  padding: 15px 28px;
}

/* ===== FOOTER ===== */
footer {
  background: #040e1b;
  color: #9cafc2;
  padding: 40px 0 32px;
  font-size: 0.84rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.foot-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}
.foot-logo {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #ffffff;
  padding: 2px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
  flex-shrink: 0;
}
.foot-info strong {
  display: block;
  color: #ffffff;
  font-size: 0.98rem;
  font-weight: 700;
}
.foot-info span {
  display: block;
  color: #7e94a8;
  font-size: 0.78rem;
  margin-top: 2px;
}
.foot-copy {
  color: #6d849a;
  font-size: 0.78rem;
}

/* Keep every section visible even when JavaScript is unavailable. */
.reveal { opacity: 1; }

/* ===== RESPONSIVE STYLES (TABLETS & MOBILE) ===== */
@media (max-width: 1100px) {
  .nav { height: 72px; }
  .nav-toggle { display: inline-flex; }
  .nav-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(5, 17, 34, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
    padding: 24px 20px 30px;
    flex-direction: column;
    gap: 20px;
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
    max-height: calc(100vh - 72px);
    overflow-y: auto;
  }
  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }
  .links {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: 0;
  }
  .links a {
    font-size: 1.05rem;
    padding: 13px 4px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    display: block;
    color: #dbe7f3;
  }
  .links a:last-child {
    border-bottom: none;
  }
  .desktop-cta { display: none; }
  .mobile-cta {
    display: inline-flex;
    width: 100%;
    padding: 14px 20px;
    min-height: 48px;
    font-size: 0.96rem;
  }

  .intro-grid, .product-grid, .companion-grid, .impact-card {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .section-heading {
    display: block;
    margin-bottom: 30px;
  }
  .section-heading p {
    margin-top: 12px;
  }
  .steps {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .impact-card img {
    min-height: 0;
    height: auto;
    aspect-ratio: 16 / 10;
    max-height: 380px;
  }
  .impact-copy {
    padding: 34px 26px;
  }
  .backed-card {
    flex-direction: column;
    text-align: center;
    gap: 20px;
    padding: 32px 24px;
  }
  .backed-card img {
    max-height: 70px;
  }
  .proofs {
    grid-template-columns: 1fr;
  }
  .proof {
    border-right: none;
    border-bottom: 1px solid var(--line);
  }
  .proof:last-child {
    border-bottom: none;
  }
  .contact-in {
    display: block;
  }
  .contact-actions {
    margin-top: 28px;
  }
  .foot {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }
}

@media (max-width: 800px) {
  .hero { min-height: auto; padding: 72px 0 36px; }
  .hero-image {
    position: relative;
    inset: auto;
    width: 100%;
    height: auto;
    aspect-ratio: 1672 / 941;
    object-fit: contain;
    opacity: 1;
    filter: none;
  }
  .hero-content { padding: 32px 0 0; }
  .hero-message { max-width: none; }
  .hero-foot { display: none; }
  .hero:after { display: none; }
}

/* ===== MOBILE PHONES (max-width: 600px) ===== */
@media (max-width: 600px) {
  body { font-size: 15px; }
  .container { width: min(100% - 32px, 1180px); }
  .nav { height: 68px; }
  .nav-menu { top: 68px; max-height: calc(100vh - 68px); }
  .nav-in { width: calc(100% - 32px); }
  .brand { font-size: 1.05rem; gap: 9px; }
  .brand-logo { width: 34px; height: 34px; }

  .hero {
    min-height: auto;
    padding: 68px 0 28px;
    align-items: center;
  }
  .hero-content {
    width: calc(100% - 32px);
    padding: 28px 0 0;
  }
  .eyebrow {
    font-size: 0.68rem;
    padding: 4px 10px;
    margin-bottom: 14px;
  }
  .eyebrow-logo {
    width: 15px;
    height: 15px;
  }
  .hero h1 {
    font-size: clamp(2.3rem, 9.8vw, 3.1rem);
    line-height: 1.06;
    margin-bottom: 16px;
  }
  .hero-copy {
    font-size: 0.96rem;
    line-height: 1.55;
    margin-bottom: 24px;
    color: #d8e5f2;
  }
  .hero-actions {
    display: flex;
    flex-direction: row;
    gap: 11px;
    width: 100%;
    max-width: none;
  }
  .hero-actions .button {
    flex: 1;
    padding: 12px 8px;
    font-size: 0.8rem;
    min-height: 50px;
  }
  .hero-foot { display: none; }

  section { padding: 58px 0; }
  h2 { font-size: clamp(1.85rem, 8vw, 2.45rem); margin: 8px 0 16px; }
  .lead { font-size: 1rem; line-height: 1.6; }
  h3 { font-size: clamp(1.6rem, 6.8vw, 2.1rem); }

  .product-image {
    aspect-ratio: 1.12;
    max-height: 320px;
    border-radius: var(--radius-md);
  }
  .product-image img { padding: 16px; }
  .features { gap: 11px; margin: 20px 0; }
  .features { grid-template-columns: 1fr; }
  .features li { font-size: 0.94rem; padding: 18px 16px; }
  .number { font-size: 0.68rem; overflow-wrap: anywhere; }
  .intro-grid {
    gap: 16px;
    padding: 24px;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: #f7fbfd;
  }
  .intro-grid .lead { margin-bottom: 0; }
  .companion-grid > div:first-child, #about > .container {
    padding: 24px;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: #f7fbfd;
  }
  .proofs { gap: 12px; margin-top: 24px; background: transparent; border: 0; }
  .proof, .proof:last-child {
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: #ffffff;
  }
  .impact-point {
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: #ffffff;
  }
  .contact-in {
    padding: 24px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.04);
  }
  .contact-actions { min-width: 0; }
  .foot-brand { min-width: 0; }
  .foot-info { min-width: 0; overflow-wrap: anywhere; }

  .app {
    border-width: 6px;
    border-radius: 36px;
  }
  .app-stage { padding: 22px 12px 18px; border-radius: 26px; }
  .app-header { padding: 10px 12px 18px; }
  .app-body { padding: 10px; gap: 10px; }
  .app-feature { padding: 16px; gap: 12px; background: #ffffff; }
  .app-preview-tag { padding: 3px 6px; }
  .app-audio { gap: 7px; padding: 9px; }
  .app-wave { gap: 2px; }

  .impact-story { padding: 58px 0; }
  .impact-card { border-radius: var(--radius-md); }
  .impact-copy { padding: 26px 18px; }
  .impact-point { font-size: 0.92rem; }

  .award-card {
    flex: 0 0 min(250px, 76vw);
    border-radius: 14px;
  }
  .award-card figcaption { padding: 10px 12px; font-size: 0.68rem; }
  .scroll-hint { font-size: 0.68rem; margin-top: 18px; }

  .backed { padding: 58px 0; }
  .backed-card {
    padding: 26px 18px;
    border-radius: var(--radius-md);
    margin-top: 22px;
  }

  .proof { padding: 20px 16px; }
  .proof strong { font-size: 1.75rem; }
  .proof span { font-size: 0.84rem; }

  .contact-actions {
    width: 100%;
    margin-top: 24px;
  }
  .contact-actions .button {
    width: 100%;
    min-height: 52px;
  }

  footer { padding: 32px 0 24px; }
  .foot-brand { gap: 12px; }
  .foot-logo { width: 38px; height: 38px; }
  .foot-info strong { font-size: 0.92rem; }
  .foot-info span { font-size: 0.74rem; }
  .foot-copy { font-size: 0.74rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}

.app-icon-definitions { display: none; }
.companion-lead { font-size: 1.02rem; }
.wave-bar-8 { --bar: 8px; }
.wave-bar-15 { --bar: 15px; }
.wave-bar-24 { --bar: 24px; }
.wave-bar-12 { --bar: 12px; }
.wave-bar-27 { --bar: 27px; }
.wave-bar-18 { --bar: 18px; }
.wave-bar-9 { --bar: 9px; }
.wave-bar-21 { --bar: 21px; }

/* Gestalk product presentation and motion */
.skip-link { position: fixed; top: 10px; left: 16px; z-index: 2000; padding: 12px 20px; background: white; color: var(--navy); border-radius: 12px; transform: translateY(-160%); }
.skip-link:focus { transform: none; }
.hero { min-height: 820px; background: radial-gradient(ellipse at 70% 60%, #133e51 0, #071629 55%); }
.hero::after { display: none; }
.hero-content { pointer-events: none; }
.hero-message { max-width: 48%; pointer-events: auto; }
.hero h1 { font-size: clamp(3rem, 5.6vw, 5.2rem); line-height: 1.04; text-shadow: none; }
.hero-copy { text-shadow: none; max-width: 470px; }
.hero .hero-image { position: relative; inset: auto; width: 100%; height: 0; flex: 1 1 auto; min-height: 0; object-fit: contain; object-position: center; padding: 18px 30px; mix-blend-mode: multiply; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 30px; }
.hero-tags span { padding: 7px 12px; border: 1px solid #ffffff26; border-radius: 8px; color: #bcd3df; font-size: .74rem; }
.links a::after { content: ''; position: absolute; bottom: -3px; left: 0; height: 2px; width: 100%; background: var(--cyan); transform: scaleX(0); transform-origin: left; transition: transform .25s; }
.links a:hover::after, .links a[aria-current]::after { transform: scaleX(1); }
.nav.scrolled { background: #041020f5; box-shadow: 0 8px 30px #0002; }
.step { position: relative; }
.step-icon { font: 500 1.1rem 'DM Mono', monospace; }
.demo-heading { text-align: center; margin-bottom: 14px; }
.demo-heading p { font-size: .8rem; color: #4e6575; margin: 8px 0; }
.demo-options { display: flex; justify-content: center; gap: 6px; margin: 0 auto 20px; }
.demo-option { appearance: none; font: 700 .75rem Manrope, sans-serif; border: 1px solid #b9cdd9; border-radius: 999px; padding: 10px 17px; min-height: 44px; cursor: pointer; background: white; color: #244457; transition: background .2s, color .2s; }
.demo-option.selected { background: var(--navy); color: white; border-color: var(--navy); }
.demo-option:hover { border-color: #00788b; }
.gestalk-faq { background: #fff; border-top: 1px solid var(--line); }
.faq-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 72px; }
.faq-grid .lead { font-size: 1rem; }
.text-link { color: #00768e; font-weight: 800; border-bottom: 1px solid #8ecbda; padding-bottom: 4px; }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list details:first-child { border-top: 1px solid var(--line); }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 24px 0; font-weight: 800; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: '+'; font: 400 1.5rem 'DM Mono', monospace; color: #00788b; flex-shrink: 0; }
.faq-list details[open] summary::after { content: '−'; }
.faq-list p { color: #526478; font-size: .94rem; padding-right: 20px; line-height: 1.7; }
.faq-list summary:focus-visible { outline: 3px solid var(--cyan-deep); outline-offset: 4px; }
@keyframes enter-soft { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: translateY(0); } }
@keyframes glove-float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
@keyframes voice-wave { 0%,100% { transform: scaleY(.45); } 50% { transform: scaleY(1); } }
@media (prefers-reduced-motion: no-preference) {
  .hero-message > * { animation: enter-soft .8s cubic-bezier(.2,.7,.2,1) both; }
  .hero-message h1 { animation-delay: .08s; }
  .hero-copy { animation-delay: .16s; }
  .hero-actions { animation-delay: .24s; }
  .hero-tags { animation-delay: .32s; }
  .reveal { transition: opacity .65s ease, transform .65s cubic-bezier(.2,.7,.2,1); }
  .reveal.reveal-pending { opacity: 0; transform: translateY(24px); }
  .reveal.in-view { opacity: 1; transform: none; }
  .app-stage.in-view .app-wave i { animation: voice-wave 1.1s ease-in-out infinite; }
  .app-wave i:nth-child(3n+1) { animation-delay: -.3s; }
  .app-wave i:nth-child(3n+2) { animation-delay: -.6s; }
  .app-gesture.demo-changing, .app-reply.demo-changing { animation: enter-soft .4s both; }
  .product-image img { transition: transform .7s cubic-bezier(.2,.7,.2,1); }
  .product-image:hover img { transform: scale(1.04) rotate(-2deg); }
}
@media (max-width: 1100px) and (min-width: 801px) {
  .hero { min-height: 760px; }
  .hero h1 { font-size: clamp(3rem, 5.6vw, 4rem); }
}
@media (max-width: 800px) {
  .hero { display: flex; flex-direction: column; min-height: auto; padding: 110px 0 36px; gap: 30px; }
  .hero-content { order: 0; padding: 0; width: calc(100% - 40px); }
  .hero-message { max-width: 620px; }
  .hero h1 { font-size: clamp(2.8rem, 8.5vw, 4.8rem); max-width: 600px; }
  .hero .hero-image { aspect-ratio: auto; object-fit: contain; padding: 16px 30px; }
  .hero-tags { margin-top: 22px; }
  .hero-copy { max-width: 580px; }
  .faq-grid { grid-template-columns: 1fr; gap: 24px; }
  .nav-menu { max-height: calc(100dvh - 72px); }
}
@media (max-width: 600px) {
  .hero { padding: 98px 0 28px; gap: 26px; }
  .hero-content { width: calc(100% - 32px); }
  .hero h1 { font-size: clamp(2.5rem, 10.5vw, 3.8rem); margin-bottom: 20px; }
  .hero-copy { font-size: 1rem; line-height: 1.65; }
  .hero-tags { gap: 6px; }
  .hero-tags span { font-size: .68rem; padding: 6px 9px; }
  .hero-actions .button { font-size: .83rem; }
  .intro-grid, .companion-grid > div:first-child, #about > .container { padding: 0; border: 0; background: transparent; }
  .product-grid { gap: 28px; }
  .features li { padding: 16px; }
  .steps { gap: 14px; }
  .step { padding: 24px; }
  .faq-list summary { padding: 22px 0; font-size: .95rem; }
  .contact-in { padding: 24px 20px; }
  .nav-menu { max-height: calc(100dvh - 68px); }
  section[id] { scroll-margin-top: 82px; }
}
@media (max-width: 350px) {
  .demo-option { padding: 10px 12px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal.reveal-pending { opacity: 1; transform: none; }
}

/* A human conversation leads the Gestalk homepage. */
.hero { min-height: 790px; display: grid; padding: 118px 0 92px; background: var(--navy); }
.hero-scene { position: absolute; inset: 78px 0 0; margin: 0; overflow: hidden; }
.hero .hero-image { position: absolute; inset: 0; width: 100%; height: 100%; min-height: 0; padding: 0; object-fit: cover; object-position: center; mix-blend-mode: normal; aspect-ratio: auto; }
.hero-scene::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(4,16,32,.94) 0%, rgba(4,16,32,.84) 24%, rgba(4,16,32,.62) 39%, rgba(4,16,32,.12) 62%, rgba(4,16,32,.04) 100%), linear-gradient(0deg, rgba(4,16,32,.6), transparent 28%); pointer-events: none; }
.hero-content { padding: 52px 0; }
.hero-message { max-width: 48%; }
.hero h1 { font-size: clamp(3rem, 5.4vw, 4.9rem); }
.hero-copy { color: #e0e9ef; }
.hero-tags span { background: #04102060; color: #e0e9ef; }
.hero-foot { color: #d2e2eb; bottom: 28px; }
@media (prefers-reduced-motion: no-preference) {
  .hero-scene { animation: enter-soft .9s both; }
}
@media (max-width: 1100px) {
  .hero { min-height: auto; display: flex; flex-direction: column; padding: 72px 0 42px; gap: 0; }
  .hero-scene { position: relative; inset: auto; order: 0; width: 100%; aspect-ratio: 16 / 9; flex-shrink: 0; }
  .hero .hero-image { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; padding: 0; }
  .hero-scene::after { background: linear-gradient(0deg, #071629 0%, transparent 24%); }
  .hero-content { order: 1; width: calc(100% - 40px); padding: 20px 0 0; }
  .hero-message { max-width: 730px; }
  .hero h1 { font-size: clamp(2.6rem, 6.5vw, 4.3rem); max-width: 750px; }
  .hero-copy { max-width: 680px; }
  .hero-foot { display: none; }
}
@media (max-width: 600px) {
  .hero { padding: 68px 0 32px; }
  .hero-content { width: calc(100% - 32px); padding: 24px 0 0; }
  .hero h1 { font-size: clamp(2.5rem, 10.5vw, 3.8rem); }
  .hero-copy { font-size: 1rem; }
}